From 2012-13 to 2013-2014, Parent Revolution says, the percentage of students scoring proficient or advanced on the science assessment at the Los Angeles Unified School District’s 24th Street Elementary School, tripled—jumping from 21 percent to 65 percent. For Desert Trails Preparatory Academy in Adelanto, California’s first parent-trigger school, the percentage of students scoring proficient or advanced on the science test nearly quadrupled—climbing from 12 percent to 47 percent. 